<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
</head>
<body>

<h3 th:text="${msg}"></h3>
<form action="userLogin" method="post">
    用户名: <input type="text" name="username" value="root"/> <br/>
    密码 : <input type="password" name="userpsd" value="123"/> <br/>
    <input type="submit" value="登录"/>
</form>

</body>
</html>